I am going to return this topic to its original purpose.
No, I won't turn the trolley.
No, I won't kill the innocent fat man.
No, I won't kill the criminal fat man.
No, I won't torture the criminal fat man.
Yes, I find the fact that the man is fat offensive and a racism towards fat men (and women).
I am also "four No's" in response to the questions. ARTH, I find your final statement(s) a little... odd.
First, that is _not_ racism in any way, shape, or form -- 'fat' is not a race.
Secondly, if you read further into the questions and discussion about them on the site/link then you would learn that the reason the man is 'fat' is to lend additional credibility to the questioned party on the statement that his hitting the train/being in the path would stop the trolley.
Lastly, can you explain why you tag "(and women)" onto the end there? What about the fat man made you feel it was 'racist' (still not the right term/descriptor here) towards -women-? 0.o
1. No, the driver should not turn the train (but I would not consider it a moral obligation for Casey Jones in either choice).
2. No, Marty should -not- push the fat man onto the track (alternative methods or attempts to save the men on the track without killing other people should be sought first no matter how unlikely that seems to be successful).
3. No, Marty should -not- push the fat saboteur onto the track (we are not described in the scenario as having legal jurisdiction or appointed authority to apply knowledge of a case for purpose of reaching a verdict and summarily carrying out the verdict as a sole-source of process, jury, judge, and executioner).
4. No, the fat man should not be tortured (the exhaustion of available options and then the seeking and creation of new methods and processes by which without torture the authorities can legally and properly seek the discovery and disarmament of the bomb).